It's simple really, a discussion has to be sufficiently long to be considered an argument first, and then the probability of comparison of Nazi or Hitler approaches 1._________________There is no guarantee a stupid Dalai Lama won’t come next -- Dalai Lama

Not long enough. Someone will be here shortly to explain to you in detail, what is long enough. And then he'll have an argument with you._________________There is no guarantee a stupid Dalai Lama won’t come next -- Dalai Lama